A shown in figure "B" of the illustrated propulsion motor variable speed drive, what statement is true concerning the PWM voltage output? See illustration EL-0140.
A
the voltage has a constant magnitude, but varies in pulse width and polarity
B
the voltage has a constant magnitude and polarity, but varies in pulse width
C
the voltage has a constant magnitude and pulse width, but varies in polarity
D
the voltage has a constant pulse width and polarity, but varies in magnitude
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Question 1 / 205eccefa4bacbc34ba4d482a2
Question 1 of 205eccefa4bacbc34ba4d482a2
A shown in figure "B" of the illustrated propulsion motor variable speed drive, what statement is true concerning the PWM voltage output? See illustration EL-0140.
A shown in figure "B" of the illustrated propulsion motor variable speed drive, what statement is true concerning the PWM voltage output? See illustration EL-0140.